Which departure time was most reliable for BOS to MKE?
Among qualifying BOS-to-MKE departure window results, Early morning had the highest on-time rate: 92.9% of 42 flights. Evening was lowest at 65.6% across 186 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 42 | 92.9% | 7.1% | 0.0% |
| Late morning | 263 | 84.8% | 8.0% | 1.9% |
| Afternoon | 250 | 77.2% | 13.6% | 3.2% |
| Evening | 186 | 65.6% | 22.0% | 5.9% |
Which weekday was most reliable for BOS to MKE?
Among qualifying BOS-to-MKE weekday results, Wednesday had the highest on-time rate: 82.9% of 111 flights. Monday was lowest at 75.0% across 116 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 116 | 75.0% | 13.8% | 6.0% |
| Tuesday | 113 | 77.0% | 16.8% | 1.8% |
| Wednesday | 111 | 82.9% | 11.7% | 2.7% |
| Thursday | 114 | 77.2% | 11.4% | 3.5% |
| Friday | 110 | 75.5% | 14.5% | 0.9% |
| Saturday | 79 | 81.0% | 13.9% | 3.8% |
| Sunday | 99 | 76.8% | 11.1% | 4.0% |
Which airline was most reliable for BOS to MKE?
Among qualifying BOS-to-MKE airline results, JetBlue Airways had the highest on-time rate: 82.6% of 172 flights. Republic Airways was lowest at 77.4% across 549 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Republic Airways | 549 | 77.4% | 12.2% | 4.0% |
| JetBlue Airways | 172 | 82.6% | 13.4% | 0.6% |
| Delta Air Lines | 21 | 47.6% | 42.9% | 4.8% |
Which month was most reliable for BOS to MKE?
Among qualifying BOS-to-MKE month results, April 2026 had the highest on-time rate: 92.2% of 51 flights. December 2025 was lowest at 63.6% across 33 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 85 | 64.7% | 23.5% | 3.5% |
| August 2025 | 87 | 82.8% | 9.2% | 1.1% |
| September 2025 | 78 | 67.9% | 21.8% | 1.3% |
| October 2025 | 82 | 78.0% | 14.6% | 2.4% |
| November 2025 | 54 | 68.5% | 13.0% | 13.0% |
| December 2025 | 33 | 63.6% | 24.2% | 3.0% |
| January 2026 | 31 | 80.6% | 3.2% | 9.7% |
| February 2026 | 28 | 85.7% | 3.6% | 10.7% |
| March 2026 | 48 | 79.2% | 10.4% | 2.1% |
| April 2026 | 51 | 92.2% | 5.9% | 0.0% |
| May 2026 | 83 | 81.9% | 14.5% | 0.0% |
| June 2026 | 82 | 89.0% | 6.1% | 2.4% |
What drove BOS to MKE delay minutes?
Late aircraft was the largest recorded BOS-to-MKE delay category, accounting for 41.2% of 8,852 BTS-attributed delay minutes during July 2025–June 2026.
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